R. Crumb's The Yum Yum BookExcellent condition copies of this gem have been unearthed from our archives. Unread. Crumb sez: "I just want to explain to the reader that I drew this story when I was nineteen years old and still a virgin. now I'm thirty years old and the book seems somewhat adolescent and immature to me. I gave the book as a gift to Dana when I first met her, as a token of my love. We got married shortly after. It has been hidden away all these years, along with